/* ==========================================================================
   Design tokens — single source of truth for ทุกระบบใน portal
   ใช้ palette: navy / gold / white (Faculty of Nursing, RU)
   ========================================================================== */

:root {
  /* Brand */
  --navy:       #0B1F3A;
  --navy-2:     #122A4D;
  --gold:       #D6A21E;
  --gold-2:     #B88913;
  --white:      #FFFFFF;

  /* Surface */
  --bg:         #F7F9FC;
  --bg-2:       #F1F5FA;
  --line:       #E3E8EF;

  /* Text */
  --text:       #1A2436;
  --muted:      #6B7280;

  /* Status */
  --danger:     #C0392B;
  --success:    #1F8B4C;
  --warn:       #B7791F;

  /* Effects */
  --shadow:     0 8px 24px rgba(11, 31, 58, 0.08);
  --shadow-lg:  0 18px 48px rgba(11, 31, 58, 0.12);

  /* Geometry */
  --radius:     12px;
  --radius-sm:  8px;
  --radius-pill: 999px;

  /* Spacing scale (8-pt) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Sarabun",
               "Prompt", "Noto Sans Thai", Roboto, Helvetica, Arial, sans-serif;
  --fs-xs:   0.78rem;
  --fs-sm:   0.88rem;
  --fs-base: 0.95rem;
  --fs-md:   1.05rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.55rem;
  --fs-2xl:  2rem;
}